Answer:
<u>Ecological systems</u> are complex systems that have various sub systems acting under them.
Explanation:
Earth is made up of a complex of systems known as the Geo ecosystems this ecosystem is a dynamic entity in itself as various Biological realms are present in earth ecosystem that is composed of water, marine, forest and other ecological systems that tend to sustain itself if there is any break in this system or there is any sort of disequilibrium in energy flow the changes in one ecosystem can have negative impacts on other ecosystems. Likewise, humans can also and have disturbed or modified the ecosystems according to their needs. As these interactions are governed by a set of feedback mechanisms. For example the natural disasters like hurricanes, cyclone, and other climatic disasters.
Since you provide no options,
as a result of the health and social problems in Russia in 1990s and 2000s Russia reformed their public healthcare systems.
In 1996, the constitution of the Russian Federation provides their citizens with free healthcare under mandatory medical insurance
Halite and sulfur are the two minerals that you can taste and identify. Halite has a salty taste on it and Sulfur has a rotten egg taste. I would rather taste Halite more than Sulfur.
Answer:
Cold air masses are drawn to the equator. Warm air masses gravitate towards the poles. They move diagonally because to the Coriolis effect. Many air masses are moving northeast across the United States. The global winds also blow in this way.
Explanation:
